use modutils for non Intel arch's

1 files changed, 147 insertions, 0 deletions

diff --git a/mdk-stage1/insmod-modutils/obj/obj_m68k.c b/mdk-stage1/insmod-modutils/obj/obj_m68k.c
new file mode 100644
index 000000000..cb485aed7
--- /dev/null
+++ b/mdk-stage1/insmod-modutils/obj/obj_m68k.c
@@ -0,0 +1,147 @@
+/* m68k specific support for Elf loading and relocation.
+   Copyright 1996, 1997 Linux International.
+
+   Contributed by Richard Henderson <rth@tamu.edu>
+
+   This file is part of the Linux modutils.
+
+   This program is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2 of the License, or (at your
+   option) any later version.
+
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ident "$Id$"
+
+#include <stddef.h>
+#include <module.h>
+#include <obj.h>
+#include <util.h>
+
+
+/*======================================================================*/
+
+struct obj_file *
+arch_new_file (void)
+{
+  return xmalloc(sizeof(struct obj_file));
+}
+
+struct obj_section *
+arch_new_section (void)
+{
+  return xmalloc(sizeof(struct obj_section));
+}
+
+struct obj_symbol *
+arch_new_symbol (void)
+{
+  return xmalloc(sizeof(struct obj_symbol));
+}
+
+int
+arch_load_proc_section(struct obj_section *sec, int fp)
+{
+    /* Assume it's just a debugging section that we can safely
+       ignore ...  */
+    sec->contents = NULL;
+
+    return 0;
+}
+
+enum obj_reloc
+arch_apply_relocation (struct obj_file *ef,
+		       struct obj_section *targsec,
+		       struct obj_section *symsec,
+		       struct obj_symbol *sym,
+		       Elf32_Rela *rel,
+		       Elf32_Addr v)
+{
+  char *loc = targsec->contents + rel->r_offset;
+  Elf32_Addr dot = targsec->header.sh_addr + rel->r_offset;
+
+  enum obj_reloc ret = obj_reloc_ok;
+
+  switch (ELF32_R_TYPE(rel->r_info))
+    {
+    case R_68K_NONE:
+      break;
+
+    case R_68K_8:
+      if (v > 0xff)
+	ret = obj_reloc_overflow;
+      *(char *)loc = v;
+      break;
+    case R_68K_16:
+      if (v > 0xffff)
+	ret = obj_reloc_overflow;
+      *(short *)loc = v;
+      break;
+    case R_68K_32:
+      *(int *)loc = v;
+      break;
+
+    case R_68K_PC8:
+      v -= dot;
+      if ((Elf32_Sword)v > 0x7f || (Elf32_Sword)v < -(Elf32_Sword)0x80)
+	ret = obj_reloc_overflow;
+      *(char *)loc = v;
+      break;
+    case R_68K_PC16:
+      v -= dot;
+      if ((Elf32_Sword)v > 0x7fff || (Elf32_Sword)v < -(Elf32_Sword)0x8000)
+	ret = obj_reloc_overflow;
+      *(short *)loc = v;
+      break;
+    case R_68K_PC32:
+      *(int *)loc = v - dot;
+      break;
+
+    case R_68K_RELATIVE:
+      *(int *)loc += ef->baseaddr;
+      break;
+
+    default:
+      ret = obj_reloc_unhandled;
+      break;
+    }
+
+  return ret;
+}
+
+int
+arch_create_got (struct obj_file *ef)
+{
+  return 1;
+}
+
+int
+arch_init_module (struct obj_file *f, struct module *mod)
+{
+  return 1;
+}
+
+int
+arch_finalize_section_address(struct obj_file *f, Elf32_Addr base)
+{
+  int  i, n = f->header.e_shnum;
+
+  f->baseaddr = base;
+  for (i = 0; i < n; ++i)
+    f->sections[i]->header.sh_addr += base;
+  return 1;
+}
+
+int
+arch_archdata (struct obj_file *fin, struct obj_section *sec)
+{
+  return 0;
+}